Hydrograph separation

Interannual changes

Long-term changes

Runoff matrices

Statistical tests

p-values of statistical criteria
N Variable Change.Year Trend M1 M2 MeanRatio sd1 sd2 sdRatio Mann.Kendall Pettitt Student Fisher
1 Annual runoff volume 1978 2e-05 0.06173 0.07133 15.6 0.01713 0.02189 27.8 0.90316 0.42579 0.06144 0.23842
2 Spring flood runoff volume (w/o groundwater) 1986 -0.00026 0.02293 0.01514 -34 0.01204 0.01083 -10 9e-05 0.00596 0.00923 0.55265
3 Annual groundwater runoff volume 1979 3e-04 0.02919 0.04467 53 0.00583 0.00917 57.3 2e-05 0 0 0.02865
4 Spring flood runoff volume (with groundwater) 1988 -0.00025 0.03009 0.0208 -30.9 0.01439 0.01223 -15 0.00069 0.01499 0.00744 0.36779
5 Rain flood runoff volume (w/o groundwater) 1975 0 0.00571 0.00877 53.6 0.00685 0.00860 25.5 0.97689 0.66529 0.14526 0.30919
6 Rain flood runoff volume (with groundwater) 1977 4e-05 0.01413 0.02377 68.2 0.01045 0.01585 51.7 0.52016 0.09611 0.00564 0.05192
7 Thaw flood runoff volume (w/o groundwater) 1983 -1e-05 0.00254 0.00204 -19.7 0.00305 0.00252 -17.4 0.38166 0.44105 0.50064 0.2891
8 Thaw flood runoff volume (with groundwater) 2010 0 0.00749 0.00908 21.2 0.00495 0.00588 18.8 0.90316 1 0.41839 0.40602
9 Winter groundwater runoff volume 1978 9e-05 0.00742 0.01188 60.1 0.00238 0.00345 45 0.00018 1e-05 0 0.07661
10 Winter low flow runoff volume 1978 7e-05 0.00953 0.0135 41.7 0.00492 0.00502 2 0.0152 0.00102 0.00451 0.95817
11 Summer groundwater runoff volume 1979 2e-04 0.01474 0.02497 69.4 0.00451 0.00703 55.9 1e-05 0 0 0.03202
12 Summer low flow runoff volume 1977 0.00022 0.01917 0.03262 70.2 0.01064 0.01469 38.1 0.01337 0.00175 0.00013 0.12912
13 Mean annual runoff 1978 0.00065 19.69591 22.67302 15.1 5.69050 6.74923 18.6 0.98613 0.47808 0.07129 0.41456
14 First date of a spring flood 1970 -0.16667 28-Mar 17-Mar -11 8.00000 15.00000 87.5 0.08398 0.10098 0.00283 0.02569
15 Mean annual groundwater (“baseflow”) runoff 1979 0.08862 9.29671 14.18622 52.6 1.88588 2.48702 31.9 1e-05 0 0 0.17508
16 Last date of a spring flood 1970 -0.26393 05-May 22-Apr -13 6.00000 16.00000 166.7 0.00261 0.00569 1e-05 4e-04
17 Duration of a spring flood 1989 -0.1467 38.0625 33.84375 -11.1 7.33061 12.86684 75.5 0.01739 0.02757 0.11345 0.00244
18 Maximum spring flood runoff 1970 -4 419.78571 241.83 -42.4 162.94462 146.00771 -10.4 8e-05 0.01088 0.00152 0.55597
19 Date of a maximum spring flood runoff 1970 -0.08333 14-Apr 14-Apr 0 5.00000 40.00000 700 0.24607 0.19331 0.93 0
20 Spring flood runoff volume (with groundwater and rain) 1986 -0.00028 0.03074 0.02251 -26.8 0.01391 0.01415 1.7 0.00073 0.01377 0.02274 0.93649
21 Minimum daily winter runoff 1979 0.1206 4.05591 9.42833 132.5 1.93119 2.03176 5.2 0 0 0 0.8237
22 Date of minimum daily winter runoff 1965 -0.19677 16-Feb 19-Jan -28 43.00000 35.00000 -18.6 0.41054 0.36833 0.10043 0.32859
23 Minimum daily summer runoff 1979 0.05578 4.49091 8.35571 86.1 2.19461 1.80075 -17.9 0.00205 0 0 0.27404
24 Date of minimum daily summer runoff 2000 0.33333 23-Jul 15-Aug 23 34.00000 31.00000 -8.8 0.1962 0.05942 0.01235 0.74221
25 Minimum 30-day averaged winter runoff 1979 0.1091 6.00123 11.19813 86.6 2.15918 2.88271 33.5 NA 0 0 0.15792
26 First date of minimum 30-day averaged winter runoff 1987 -0.14545 04-Jan 27-Dec 358 21.00000 25.00000 19 0.39944 0.74118 0.1862 0.44023
27 Minimum 30-day averaged summer runoff 1979 0.05577 6.23477 9.70019 55.6 1.69308 2.32512 37.3 0.00218 1e-05 0 0.12077
28 First date of minimum 30-day averaged summer runoff 2000 0.15789 13-Jul 02-Aug 20 29.00000 28.00000 -3.4 0.42377 0.09454 0.01189 0.98217
29 Minimum 10-day averaged winter runoff 1979 0.10384 5.12577 10.06676 96.4 1.60347 2.25540 40.7 0 0 0 0.09575
30 First date of minimum 10-day averaged winter runoff 1987 -0.2892 26-Jan 11-Jan -15 32.00000 36.00000 12.5 0.25361 0.406 0.0805 0.54115
31 Minimum 10-day averaged summer runoff 1981 0.05427 5.89658 8.8558 50.2 1.55969 1.87498 20.2 0.00063 0 0 0.35115
32 First date of minimum 10-day averaged summer runoff 2000 0.33333 21-Jul 11-Aug 21 27.00000 31.00000 14.8 0.11213 0.03414 0.01318 0.45786
33 Minimum 5-day averaged winter runoff 1979 0.10721 4.77955 9.83214 105.7 1.63118 2.19704 34.7 0 0 0 0.14478
34 First date of minimum 5-day averaged winter runoff 1987 -0.14609 28-Jan 16-Jan -12 36.00000 36.00000 0 0.50514 0.57006 0.16897 0.95117
35 Minimum 5-day averaged summer runoff 1981 0.05467 5.76225 8.68705 50.8 1.51068 1.83279 21.3 0.00038 0 0 0.3274
36 First date of minimum 5-day averaged summer runoff 2000 0.33333 25-Jul 15-Aug 21 27.00000 30.00000 11.1 0.10966 0.03414 0.01299 0.4868
37 Maximum thaw flood runoff 1984 -0.02084 26.94527 24.67525 -8.4 35.56889 35.16949 -1.1 0.67234 0.96366 0.80093 0.93525
38 Date of a maximum thaw flood runoff 1994 0.67308 20-Dec 20-Jan -335 36.00000 39.00000 8.3 0.00768 0.00441 0.00269 0.61063
39 Number of thaw flood events 1995 -0.12903 14.83333 11.23077 -24.3 4.63835 7.16831 54.5 0.00105 0.00618 0.03036 0.01769
40 Number of thaw flood days 1984 -0.70213 79 47.10811 -40.4 20.74015 22.87136 10.3 4e-05 0 0 0.60986
41 Maximum rain flood runoff 1977 0.10523 54.75139 72.47261 32.4 56.94260 56.22200 -1.3 0.68081 0.52857 0.25418 0.90809
42 Date of a maximum rain flood runoff 2002 0.12973 12-Jun 28-Jun 16 67.00000 69.00000 3 0.74116 0.60713 0.4232 0.84757
43 Number of rain flood events 1977 -0.08876 20.05 14.90909 -25.6 4.29780 3.94036 -8.3 0.00595 0.00122 6e-05 0.61906
44 Number of rain flood days 1991 -0.13488 112.05882 99.1 -11.6 29.43091 38.07556 29.4 0.65125 0.41088 0.13723 0.15352
45 Relative variation of runoff during winter low flow 1983 -0.00279 0.44193 0.2719 -38.5 0.31443 0.23652 -24.8 0.02571 0.00955 0.02386 0.11308
46 Duration of winter low flow 1984 -0.47987 130.44444 115.37838 -11.5 18.08810 26.97360 49.1 0.00115 0.02306 0.00962 0.03683
47 Relative variation of runoff during summer-autumn low flow 1970 -0.00039 0.56005 0.62536 11.7 0.43161 0.28499 -34 0.85746 0.66529 0.60021 0.03682
48 Duration of a summer-autumn low flow 1999 0.51113 198.61905 216.63636 9.1 20.61488 23.16719 12.4 0.00027 0.00955 0.00394 0.51051